🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872

Radius: 13.9

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.7 AU - 0.72 AU

Year: 413 Days

Day: 14.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,815,459 km

• M1: 172,935 km (0.06 R)
• M2: 642,672 km (0.061 R)
• M3: 1,081,293 km (0.08 R)
• M4: 1,596,957 km (0.112 R)
• M5: 2,189,664 km (0.03 R)
• M6: 2,667,629 km (0.066 R)
• M7: 3,125,100 km (0.059 R)
• M8: 3,930,834 km (0.111 R)
• M9: 4,411,940 km (0.108 R)
• M10: 5,184,314 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.3

Radius: 9.5

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.81 AU - 0.93 AU

Year: 560 Days

Day: 5.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 67.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,815,459 km

• M1: 118,182 km (0.066 R)
• M2: 434,881 km (0.085 R)
• M3: 880,234 km (0.086 R)
• M4: 1,324,988 km (0.071 R)
• M5: 1,627,774 km (0.064 R)
• M6: 2,004,462 km (0.063 R)
• M7: 2,597,318 km (0.049 R)
• M8: 3,756,702 km (0.097 R)
• M9: 4,483,448 km (0.118 R)
• M10: 5,040,850 km (0.029 R)
• M11: 5,570,426 km (0.113 R)
• M12: 6,001,119 km (0.081 R)
• M13: 6,678,498 km (0.043 R)

Asteroid Belt

Center: 1.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 8.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.69 AU - 1.81 AU

Year: 1598 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,815,459 km

• M1: 105,766 km (0.085 R)
• M2: 371,152 km (0.099 R)
• M3: 836,850 km (0.117 R)
• M4: 1,239,119 km (0.112 R)
• M5: 1,526,347 km (0.056 R)
• M6: 2,248,456 km (0.11 R)
• M7: 2,906,387 km (0.087 R)
• M8: 3,783,181 km (0.076 R)
• M9: 4,506,037 km (0.051 R)
• M10: 5,076,454 km (0.093 R)
• M11: 5,530,633 km (0.061 R)
• M12: 5,804,996 km (0.119 R)
• M13: 6,243,168 km (0.08 R)
• M14: 6,827,048 km (0.108 R)
• M15: 7,315,485 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 8.3

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.22 AU - 3.7 AU

Year: 3515 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,815,459 km

• M1: 103,671 km (0.057 R)
• M2: 383,569 km (0.069 R)
• M3: 689,048 km (0.107 R)
• M4: 969,544 km (0.097 R)
• M5: 1,287,140 km (0.076 R)
• M6: 2,094,669 km (0.108 R)
• M7: 2,376,661 km (0.103 R)
• M8: 2,667,180 km (0.064 R)
• M9: 3,419,209 km (0.055 R)
• M10: 4,144,310 km (0.039 R)
• M11: 5,584,339 km (0.086 R)
• M12: 7,297,983 km (0.111 R)
• M13: 9,257,266 km (0.095 R)
• M14: 9,655,196 km (0.107 R)
• M15: 10,189,560 km (0.107 R)
• M16: 11,094,178 km (0.102 R)
• M17: 11,407,436 km (0.069 R)
• M18: 11,864,906 km (0.076 R)
• M19: 12,526,129 km (0.1 R)
• M20: 16,667,148 km (0.086 R)
• M21: 17,316,253 km (0.073 R)
• M22: 20,414,125 km (0.086 R)
• M23: 21,225,544 km (0.083 R)
• M24: 25,221,902 km (0.117 R)
• M25: 25,763,895 km (0.068 R)
• M26: 26,472,390 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.2

Radius: 4.3

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.2 AU - 7.64 AU

Year: 11228 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,815,459 km

• M1: 53,556 km (0.105 R)
• M2: 238,758 km (0.032 R)
• M3: 414,087 km (0.066 R)
• M4: 639,980 km (0.079 R)
• M5: 1,140,534 km (0.061 R)
• M6: 1,709,455 km (0.047 R)
• M7: 3,123,155 km (0.037 R)
• M8: 3,336,631 km (0.103 R)
• M9: 5,351,714 km (0.064 R)
• M10: 6,040,612 km (0.112 R)
• M11: 6,786,807 km (0.106 R)
• M12: 7,182,044 km (0.065 R)
• M13: 8,707,793 km (0.077 R)
• M14: 9,088,220 km (0.087 R)
• M15: 10,963,130 km (0.097 R)
• M16: 11,913,526 km (0.112 R)
• M17: 12,120,270 km (0.106 R)
• M18: 13,976,630 km (0.116 R)
• M19: 16,265,926 km (0.1 R)
• M20: 17,499,211 km (0.119 R)
• M21: 21,115,440 km (0.084 R)
• M22: 22,110,864 km (0.12 R)
• M23: 26,581,896 km (0.112 R)
• M24: 29,308,616 km (0.093 R)
• M25: 30,933,549 km (0.1 R)
• M26: 34,570,871 km (0.074 R)
• M27: 35,097,605 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.3

Radius: 6.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.22 AU - 7.64 AU

Year: 12592 Days

Day: 17.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,815,459 km

• M1: 83,326 km (0.073 R)
• M2: 302,636 km (0.099 R)
• M3: 531,222 km (0.102 R)
• M4: 753,973 km (0.115 R)
• M5: 1,050,027 km (0.095 R)
• M6: 1,263,803 km (0.12 R)
• M7: 1,633,609 km (0.089 R)
• M8: 1,851,573 km (0.059 R)
• M9: 3,065,560 km (0.067 R)
• M10: 3,781,236 km (0.071 R)
• M11: 3,994,562 km (0.046 R)
• M12: 5,271,679 km (0.078 R)
• M13: 6,765,713 km (0.105 R)
• M14: 7,779,089 km (0.06 R)
• M15: 8,643,615 km (0.061 R)
• M16: 10,655,557 km (0.119 R)
• M17: 14,058,909 km (0.11 R)
• M18: 14,981,329 km (0.07 R)
• M19: 18,325,290 km (0.117 R)
• M20: 19,565,457 km (0.098 R)
• M21: 22,211,993 km (0.106 R)
• M22: 24,428,584 km (0.091 R)
• M23: 26,442,471 km (0.051 R)
• M24: 26,875,557 km (0.102 R)
• M25: 27,844,801 km (0.06 R)
• M26: 28,383,354 km (0.09 R)
• M27: 29,573,853 km (0.075 R)
• M28: 30,892,708 km (0.085 R)
• M29: 32,348,744 km (0.088 R)
• M30: 32,744,580 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.3

Radius: 5.9

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.75 AU - 10.65 AU

Year: 20853 Days

Day: 23.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,815,459 km

• M1: 73,453 km (0.112 R)
• M2: 265,237 km (0.096 R)
• M3: 508,184 km (0.112 R)
• M4: 822,489 km (0.11 R)
• M5: 3,071,244 km (0.082 R)
• M6: 3,521,683 km (0.109 R)
• M7: 4,695,279 km (0.092 R)
• M8: 7,339,870 km (0.104 R)
• M9: 7,936,765 km (0.074 R)
• M10: 8,299,690 km (0.076 R)
• M11: 12,147,945 km (0.082 R)
• M12: 12,421,710 km (0.076 R)
• M13: 17,211,684 km (0.113 R)
• M14: 25,591,857 km (0.062 R)
• M15: 25,816,404 km (0.041 R)
• M16: 28,134,273 km (0.113 R)
• M17: 32,913,626 km (0.119 R)
• M18: 37,192,125 km (0.082 R)
• M19: 53,677,661 km (0.094 R)
• M20: 54,415,328 km (0.117 R)
• M21: 54,786,779 km (0.041 R)
• M22: 59,966,755 km (0.102 R)
• M23: 61,160,696 km (0.097 R)
• M24: 69,964,680 km (0.112 R)
• M25: 70,183,991 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 10,472 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit